HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <title>counter-reset: section</title>
  <style>
    body {
      counter-reset: section;
    }

    h2 {
      counter-increment: section;
    }

    h2::before {
      content: counter(section) ". ";
    }
  </style>
</head>
<body>
  <h2>Intro</h2>
  <h2>Setup</h2>
  <h2>Next steps</h2>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS counter-reset Property — start at 0